"Every failure in the lab is a lesson in disguise, guiding us toward the right path."

The site determines the form.

The best time to negotiate your salary for a new job is the moment AFTER they say they want you， and not before. Then it becomes a game of chicken for each side to name an amount first， but it is to your advantage to get them to give a number before you do.

没有严格的执行，认证标准就毫无意义。